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Abstract:

A contents sharing server includes an identifier generation unit
configured to assign at least one user identifier for each user, a group
matching unit configured to match at least one user identifier with at
least one of a plurality of groups, each of the plurality of groups
having at least one contents identifier for identifying at least one
content to be shared within each of the plurality of groups, a request
reception unit configured to receive a request including a contents
identifier and at least one user identifier, an identifier determination
unit configured to search at least one group matched with the at least
one user identifier, and determine whether the searched group has the
contents identifier and a contents access authority assignment unit
configured to assign authority for accessing contents corresponding to
the contents identifier.

Claims:

1. A contents sharing server for sharing contents using groups, the
server comprising: an identifier generation unit configured to generate
and assign at least one user identifier (ID); a group matching unit
configured to match the at least one user identifier with at least one of
a plurality of groups, each of the plurality of groups having at least
one contents identifier for identifying at least one content to be shared
within each of the plurality of groups; a request reception unit
configured to receive a request including a contents identifier and at
least one user identifier; an identifier determination unit configured to
search at least one group matched with the at least one user identifier
included in the request, and determine whether the searched group has the
contents identifier that is included in the request; and a contents
access authority assignment unit configured to assign authority for
accessing contents corresponding to the contents identifier included in
the request, to a device if the searched group has the contents
identifier that is included in the request.

2. The server of claim 1, wherein the request including the contents
identifier and the at least one user identifier is received from the
device.

3. The server of claim 1, wherein each user is assigned the at least one
user ID.

4. The server of claim 1, further comprising: a user device management
unit configured to manage information about at least one device that
belongs to each user.

5. The server of claim 1, further comprising: a contents storage unit
configured to match the at least one contents identifier with at least
one of the at least one user identifier, and configured to store contents
corresponding to the at least one contents identifier that is matched
with the at least one of the at least one user identifier.

6. The server of claim 1, wherein one user identifier is matched with at
least two of the plurality of groups.

7. A method for sharing contents using groups, the method comprising:
generating and assigning at least one user identifier (ID) for each user;
matching at least one user identifier with at least one of a plurality of
groups, each of the plurality of groups having at least one contents
identifier for identifying at least one content to be shared within each
of the plurality of groups; receiving a request including a contents
identifier and at least one user identifier from a device; searching at
least one group matched with the at least one user identifier included in
the request, and determining whether the searched group has the contents
identifier that is included in the request; and assigning authority for
accessing contents corresponding to the contents identifier included in
the request, to the device if the searched group has the contents
identifier that is included in the request.

8. The method of claim 7, further comprising: managing information about
at least one device that belongs to each user.

9. The method of claim 8, further comprising: transmitting the contents
corresponding to the contents identifier to the device that has received
the authority for accessing the contents.

10. The method of claim 7, further comprising: matching each of the at
least one contents identifier with at least one of the at least one user
identifier, and storing contents corresponding to the at least one
contents identifier that is matched with the at least one of the at least
one user identifier.

11. The method of claim 7, wherein one user identifier is matched with at
least two of the plurality of groups.

12. A contents sharing server for sharing contents using groups, the
server comprising: a group matching unit configured to match at least one
user identifier (ID) with at least one of a plurality of groups, at least
one of the plurality of groups having at least one contents identifier
for identifying at least one content to be shared within the at least one
of the plurality of groups; a request reception unit configured to
receive a request including a contents identifier and at least one user
identifier; an identifier determination unit configured to determine
whether at least one group of the plurality of groups has the contents
identifier that is included in the request; and a contents access
authority assignment unit configured to assign authority for accessing
contents corresponding to the contents identifier included in the
request, if the at least one group has the contents identifier that is
included in the request.

13. The server of claim 12, wherein each user is assigned the at least
one user ID.

14. The server of claim 12, further comprising: a contents storage unit
configured to match the at least one contents identifier with at least
one of the at least one user identifier, and configured to store contents
corresponding to the at least one contents identifier matched with the at
least one of the at least one user identifier.

15. The server of claim 12, wherein the at least one user ID is matched
with at least two of the plurality of groups.

16. A method for sharing contents using groups, the method comprising:
assigning at least one user identifier (ID); matching at least one user
identifier with at least one of a plurality of groups, the at least one
of the plurality of groups having at least one contents identifier for
identifying at least one content to be shared within each of the
plurality of groups; receiving a request including a contents identifier
and at least one user identifier; determining whether the at least one of
the plurality of groups has the contents identifier that is included in
the request; and assigning authority for accessing contents corresponding
to the contents identifier included in the request, to a device if the at
least one of the plurality of groups has the contents identifier that is
included in the request.

17. The server of claim 16, wherein each user is assigned the at least
one user ID.

Description:

CROSS-REFERENCE TO RELATED APPLICATION

[0001] This application claims priority from Korean Patent Application No.
10-2011-0061894, filed on Jun. 24, 2011 in the Korean Intellectual
Property Office, the disclosure of which is incorporated herein by
reference in its entirety.

BACKGROUND

[0002] 1. Field

[0003] Exemplary embodiments relate to a system, apparatus, and a method
for sharing contents, and more specifically, exemplary embodiments relate
to a system, apparatus, and a method for sharing contents among users, by
using groups.

[0004] 2. Description of the Related Art

[0005] With the recent development of information communication
technologies, users can use contents at any time and in any place,
through various devices. A user may be provided with contents belonging
to another user.

[0006] According to a related art, if multiple users share contents,
purchase records and service records and so on for the shared contents
are all shared. Thus, user personal information is disclosed among the
users.

[0007] According to a related art, if contents purchased or retained by a
user are shared with another user, there may be contents desired to be
shared and contents not desired to be shared.

[0008] For example, in case of an IPTV service shared by family users,
contents information purchased or used by the husband is identically
released to his wife or children. Thus, contents that should not be
shared (age-restricted contents or business-related contents) might be
shared with the wife or the children. As a result, a user cannot be
provided with his/her individual service. Further, personal information
of a user may be disclosed.

SUMMARY

[0009] Accordingly, it is an aspect to provide a contents sharing scheme,
in which a user enables contents to be classified into and shared by
groups based on use of the contents.

[0010] Another aspect is to provide a contents sharing server for sharing
contents using groups. The server includes an identifier generation unit
configured to generate and assign at least one user identifier (ID), a
group matching unit configured to match the at least one user identifier
with at least one of a plurality of groups, each of the plurality of
groups having at least one contents identifier for identifying at least
one content to be shared within each of the plurality of groups, a
request reception unit configured to receive a request including a
contents identifier and at least one user identifier, an identifier
determination unit configured to search at least one group matched with
the at least one user identifier included in the request, and determine
whether the searched group has the contents identifier that is included
in the request and a contents access authority assignment unit configured
to assign authority for accessing contents corresponding to the contents
identifier included in the request, to a device if the searched group has
the contents identifier that is included in the request.

[0011] The request including the contents identifier and the at least one
user identifier may be received from a device. Each user may be assigned
the at least one user ID.

[0012] The server may further include a user device management unit
configured to manage information about at least one device that belongs
to each user.

[0013] The server may further include a contents storage unit configured
to match the at least one contents identifier with at least one of the at
least one user identifier, and configured to store contents corresponding
to the at least one contents identifier that is matched with the at least
one of the at least one user identifier.

[0014] One user ID may be matched with at least two of the plurality of
groups.

[0015] Another aspect is to provide a method for sharing contents using
groups. The method includes generating and assigning at least one user
identifier (ID) for each user, matching at least one user identifier with
at least one of a plurality of groups, each of the plurality of groups
having at least one contents identifier for identifying at least one kind
of contents to be shared within each of the plurality of groups,
receiving a request including a contents identifier and at least one user
identifier from a device, searching at least one group matched with the
at least one user identifier included in the request, and determining
whether the searched group has the contents identifier that is included
in the request, and assigning authority for accessing contents
corresponding to the contents identifier included in the request, to the
device if the searched group has the contents identifier that is included
in the request.

[0016] The method may further include managing information about at least
one device that belongs to each user. Also, the method may further
include transmitting the contents corresponding to the contents
identifier to the device that has received the authority for accessing
the contents.

[0017] The method may further include matching each of the at least one
contents identifier with at least one of the at least one user
identifier, and storing contents corresponding to the at least one
contents identifier that is matched with the at least one of the at least
one user identifier. Also, one user ID may be matched with at least two
of the plurality of groups.

[0018] Yet another aspect of an exemplary embodiment is directed to a
contents sharing server for sharing contents using groups. The server
includes: a group matching unit configured to match at least one user
identifier (ID) with at least one of a plurality of groups, at least one
of the plurality of groups having at least one contents identifier for
identifying at least one content to be shared within the at least one of
the plurality of groups; a request reception unit configured to receive a
request including a contents identifier and at least one user identifier;
an identifier determination unit configured to determine whether at least
one group of the plurality of groups has the contents identifier that is
included in the request; and a contents access authority assignment unit
configured to assign authority for accessing contents corresponding to
the contents identifier included in the request, if the at least one
group has the contents identifier that is included in the request.

[0019] Each user may be assigned the at least one user ID.

[0020] The server may further include a contents storage unit configured
to match the at least one contents identifier with at least one of the at
least one user identifier, and configured to store contents corresponding
to the at least one contents identifier matched with the at least one of
the at least one user identifier.

[0021] The at least one user ID may be matched with at least two of the
plurality of groups.

[0022] Yet another aspect of an exemplary embodiment is directed to a
method for sharing contents using groups. The method includes: assigning
at least one user identifier (ID); matching at least one user identifier
with at least one of a plurality of groups, the at least one of the
plurality of groups having at least one contents identifier for
identifying at least one content to be shared within each of the
plurality of groups; receiving a request including a contents identifier
and at least one user identifier; determining whether the at least one of
the plurality of groups has the contents identifier that is included in
the request; and assigning authority for accessing contents corresponding
to the contents identifier included in the request, to a device if the at
least one of the plurality of groups has the contents identifier that is
included in the request.

[0023] Each user may be assigned the at least one user ID

[0024] A user enables contents to be selectively shared by using a group,
such that the contents can be classified into and shared by groups.

[0025] Since contents can be classified into and shared by groups in
consideration of use of the contents, the contents are prevented from
being randomly disclosed.

BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Non-limiting and non-exhaustive exemplary embodiments will be
described in conjunction with the accompanying drawings. Understanding
that these drawings depict only several exemplary embodiments according
to the disclosure and are, therefore, not intended to limit its scope,
the disclosure will be described with specificity and detail through use
of the accompanying drawings, in which:

[0027] FIG. 1 is a configuration view illustrating a system for a contents
sharing according to an exemplary embodiment;

[0028] FIG. 2 is a detailed configuration view illustrating a
configuration of a contents sharing server according to an exemplary
embodiment;

[0029] FIG. 3 is an example illustrating each user identifier for each
user according to an exemplary embodiment;

[0030] FIG. 4 is an example illustrating each group matched with each user
identifier in a system for contents sharing according to an exemplary
embodiment;

[0031] FIG. 5 is an example illustrating an authority to access contents
to be shared according to an exemplary embodiment; and

[0032] FIG. 6 is a flow chart illustrating a method for providing contents
in a system for contents sharing according to an exemplary embodiment.

DETAILED DESCRIPTION OF EXEMPLARY EMBODIMENTS

[0033] Hereinafter, exemplary embodiments will be described in detail with
reference to the accompanying drawings so that the exemplary embodiments
may be readily implemented by those skilled in the art. However, it is to
be noted that the present disclosure is not limited to the exemplary
embodiments, but can be realized in various other ways. In the drawings,
certain parts not directly relevant to the description are omitted to
enhance the clarity of the drawings, and like reference numerals denote
like parts throughout the whole document.

[0034] Throughout the whole document, the terms "connected to" or "coupled
to" are used to designate a connection or coupling of one element to
another element, and include both a case where an element is "directly
connected or coupled to" another element and a case where an element is
"electronically connected or coupled to" another element via still
another element. Further, each of the terms "comprises," "includes,"
"comprising," and "including," as used in the present disclosure, is
defined such that one or more other components, steps, operations, and/or
the existence or addition of elements are not excluded in addition to the
described components, steps, operations and/or elements.

[0035] Hereinafter, exemplary embodiments will be explained in detail with
reference to the accompanying drawings.

[0036] FIG. 1 is configuration view illustrating a system for contents
sharing according to an exemplary embodiment.

[0037] As illustrated in FIG. 1, the system for contents sharing includes
at least one device 300 retained by a user 100 and a contents sharing
server 200.

[0038] The user 100 retains at least one device 300 and may access the
contents sharing server 200 by using at least one device 300 through a
network 400. Here, the network 400 may be embodied by a wired network
such as a local area network (LAN), a wide area network (WAN), or a value
added network (VAN), or any type of a wireless network such as a mobile
radio communication network or a satellite communication network.

[0039] Through the contents sharing server 200, the user 100 may enable
contents that he/she wants to provide to be shared only with members of a
group, to which the user 100 belongs.

[0040] For example, assuming that a user A 101 and a user B 103 are
members of a group `family,` a group identifier of the group `family` may
be generated as `AAA.` A user identifier (ID) of the user A 101 may be
generated as `a`. A user identifier of the user B 103 may be generated as
`b`.

[0041] The user A 101 or B 103 that is registered as a member of the group
`AAA` may store contents to be shared with the group `AAA` in the
contents sharing server 200. The members of the group `AAA` may be
provided with the contents shared with the group `AAA` through the
contents sharing server 200. Meanwhile, a user C 105, which is not a
member of the group `AAA,` may not be provided with the contents shared
with the group `AAA.`

[0042] FIG. 2 is a detailed configuration view illustrating a
configuration of a contents sharing server according to an exemplary
embodiment.

[0043] With reference to FIG. 2, the contents sharing server 200 according
to an exemplary embodiment includes an identifier database 210, an
identifier generation unit 211, a group database 220, a group generation
unit 221, a user device database 230, a user device management unit 231,
a group matching database 240, a group matching unit 241, a request
reception unit 250, an identifier determination unit 260, a contents
access authority assignment unit 270, and a contents storage unit 280.

[0044] The identifier database 210 stores a user identifier (ID) of a user
therein. The identifier database 210 may store a user identifier
generated by the identifier generation unit 211, which is described
below.

[0045] The identifier generation unit 211 generates and assigns at least
one user identifier for each user. If a user is set as a member of a
group, the identifier generation unit 211 may generate a user identifier
of the user and assign the user identifier to the user.

[0046] An example illustrating each user identifier for each user will be
described later with reference to FIG. 3.

[0047] The group database 220 stores information about a group therein.
The group database 220 may store information about a group generated by
the group generation unit 221, which is described below.

[0048] In addition to generation of a group, the group generation unit 221
may generate a group identifier for the group. Also, the group generation
unit 221 may generate the group when receiving a request for generation
of a group from a user.

[0049] The user device database 230 stores information about at least one
device belonging to each user therein. The user device database 230 may
store information about the user device 300 received from the user device
management unit 231, which is described below. Here, the information
about the user device 300 may include a type, identification numbers, a
model code, and other information related to the device.

[0050] The user device management unit 231 manages information about at
least one device belonging to each user. Also, the user device management
unit 231 may receive information about a device of a user from the device
of the user and store the information about the device of the user in the
user device database 230. The user device management unit 231 may receive
necessary information from the user device database 230 and manage the
information.

[0051] The user device management unit 231 may manage a user device
providing contents that can be shared with a group, to which the user
belongs. That is, the user device management unit 231 may classify and
manage a user device capable of providing contents that can be shared by
groups.

[0052] For example, when the user device management unit 231 stores and
manages a notebook offered from a `company` as a device belonging to a
user, the user device management unit 231 may restrict the device to be
provided only with contents that can be shared with the group `company.`
In this way, the contents sharing server 200 manages a user device as
well as contents, so that disclosure of contents belonging to a user can
be prevented.

[0053] The group matching database 240 stores a group matched with a user
identifier. The group matching database 240 may receive a group matched
with a user identifier from the group matching unit 241, which is
described below, and store the group matched with the user identifier.

[0054] The group matching unit 241 may match each at least one user
identifier with each group. The group matching unit 241 may match one
user identifier with at least one group. A group may be matched with at
least one user identifier.

[0055] For example, if a user A is a member of a group `family` and a
group `company,` the group matching unit 241 may match a user identifier
`a` of the user A for the group `family` with the group `family,` and
match a user identifier `aa` of the user A for the group `company` with
the group `company.` If a user B is a member of a group `family,` the
group matching unit 241 may match a user identifier `b` of the user B
with the group `family.`

[0056] An example illustrating each group matched with each user
identifier will be described later with reference to FIG. 4.

[0057] The contents sharing server 200 may match a group and a user
identifier by using the group matching unit 241, such that the user
matched with the group may be a member of the group. That is, the
contents sharing server 200 may match at least one user identifier of a
user with at least one group, such that the user may be set as a member
of at least one group.

[0058] For example, a user A may be a member of a group `family,` a group
`company,` and a group `society.` A group may be matched with at least
one user identifier of various users, such that the various users may be
members of one group. For example, users A, C, and D may be members of a
group `company.`

[0059] The request reception unit 250 receives a request including a
contents identifier and at least one user identifier from a device
belonging to a user assigned the user identifier for sharing contents
corresponding to the contents identifier. The request reception unit 250
may receive a request for sharing contents from a device in order to be
provided with contents belonging to another device. Upon receiving the
request for sharing contents, the request reception unit 250 may receive
information related to the contents corresponding to the contents
identifier. In this case, the information related to the contents may
include information about a group set to share the contents,
identification information of the contents, and other information.

[0060] The identifier determination unit 260 may search at least one group
matched with the at least one user identifier included in the request,
and determine whether the searched group has the contents identifier
included in the request.

[0061] That is, the identifier determination unit 260 may determine
whether a user identifier corresponding to a device making a request for
sharing contents via the request reception unit 250 is matched with a
group sharing the contents requested to be shared. The identifier
determination unit 260 may determine whether a user having a device
making a request for sharing contents is a member of a group sharing the
contents.

[0062] Also, the identifier determination unit 260 may provide the results
of the determination to the contents access authority assignment unit
270, which is described below.

[0063] If the searched group has the contents identifier included in the
request, the contents access authority assignment unit 270 may assign
authority for accessing the contents corresponding to the contents
identifier included in the request to the device.

[0064] An example illustrating an authority to access contents to be
shared will be described later with reference to FIG. 5.

[0065] Accordingly, when a device requests contents, the contents sharing
server 200 determines whether a group corresponding to a user identifier
included in the request has the contents identifier included in the
request. If a searched group has the contents identifier included in the
request, the contents sharing server 200 may provide the contents
requested to be shared.

[0066] The contents storage unit 280 stores contents belonging to a device
therein. The contents storage unit 280 may store contents allowed to be
shared. The contents storage unit 280 may match each at least one
contents identifier with each at least one user identifier, and may store
contents corresponding to the contents identifier matched with the user
identifier.

[0067] FIG. 3 is an example illustrating each user identifier for each
user according to an exemplary embodiment.

[0068] As illustrated in FIG. 3, at least one user identifier for a user
may be generated. A user identifier may be generated by groups.

[0069] For example, if groups are generated as a family (group 1), a
company (group 2), and a society (group 3), a user identifier of a user
may be generated by the groups.

[0070] If a user A is a member of the family (group 1), a user identifier
for the family (group 1) of the user A may be generated as `a.` If a user
B is a member of the family (group 1), a user identifier for the family
(group 1) of the user B may be generated as `b.`

[0071] If the user A is a member of the company (group 2), a user
identifier for the company (group 2) of the user A may be generated as
`aa.` If a user C is a member of the company (group 2), a user identifier
for the company (group 2) of the user C may be generated as `c.` If a
user D is a member of the company (group 2), a user identifier for the
company (group 2) of the user D may be generated as `d.`

[0072] If the user A is a member of the society (group 3), a user
identifier for the society (group 2) of the user A may be generated as
`aaa.` If the user B is a member of the society (group 3), a user
identifier for the society (group 3) of the user B may be generated as
`bb.` If the user C is a member of the society (group 3), a user
identifier for the society (group 3) of the user C may be generated as
`cc.`

[0073] FIG. 4 is an example illustrating each group matched with each user
identifier in a system for contents sharing according to an exemplary
embodiment.

[0074] As illustrated in FIG. 4, the contents sharing server may match
each group and each user identifier with each other. Here, a group
identifier of the family (group 1) may be generated as "AAA." A group
identifier of the company (group 2) may be generated as "BBB." A group
identifier of the society (group 3) may be generated as "CCC."

[0075] For example, `a,` which is the user identifier for the family
(group 1) of the user A, may be matched with `AAA,` which is the group
identifier of the family (group 1). Also, `aa,` which is the user
identifier for the company (group 2), may be matched with `BBB,` which is
the group identifier of the company (group 2). Further, `aaa,` which is
the user identifier for the society (group 3) of the user A, may be
matched with `CCC,` which is the group identifier of the society (group
3). Here, one user identifier of the user A may be matched with at least
one group.

[0076] The user B may be matched with `b,` which is the user identifier
for the family (group 1), and `AAA,` which is the identifier of the
family (group 1). The user B may be matched with `bb,` which is the user
identifier of the society (group 3), and `CCC,` which is the identifier
of the society (group 3).

[0077] FIG. 5 is an example illustrating an authority to access contents
to be shared according to an exemplary embodiment.

[0078] As illustrated in FIG. 5, the contents sharing server may store
contents identifier, a user identifier of a user possessing a device
retaining contents corresponding to the contents identifier, and a group
identifier of a group that may share the contents, to manage an authority
to access the contents.

[0079] That is, the contents sharing server may manage an authority to
access contents to be shared by groups. An authority to access contents
may be assigned to at least one group by a user retaining the contents.
The present disclosure is not limited to the case where singular content
is shared with one group. Content may be shared with at least one group.
A user retaining contents may assign an authority to access the contents
according to groups.

[0080] A contents identifier is information related to identifying
contents.

[0081] For example, contents with a contents identifier of `APP11` may be
stored while being matched with `a,` which is the user identifier for the
family (group 1) of the user A, and "AAA,` which is the group identifier
for the group 1. Thereafter, when a request for sharing the contents
`APP11` is received from another device belonging to a user included in
the group `AAA,` the contents sharing system may provide the requested
contents `APP11` to the other device.

[0082] FIG. 6 is a flow chart illustrating a method for providing contents
in a system for according to an exemplary embodiment.

[0083] With reference to FIG. 6, in operation S601, the contents sharing
server 200 generates and assigns a user identifier (ID) for a user by
receiving a generation request from a device belonging to the user.

[0084] In operation S603, the contents sharing server 200 may match a user
identifier with a group. A group may be matched with a multiple of user
identifiers.

[0085] In operation S605, the contents sharing server 200 may receive a
request including a contents identifier and a user identifier from a
device.

[0086] In operation S607, the contents sharing server 200 may search a
group matched with the user identifier included in the request received
in operation S605.

[0087] In operation S609, the contents sharing server 200 determines
whether the searched group have the contents identifier included in the
request received in operation S605.

[0088] As a result of the determination, in operation S611, the contents
sharing server 200 may assign authority for accessing to contents
corresponding to the contents identifier included in the request to the
device if the searched group has the contents identifier included in the
request.

[0089] In this way, the contents sharing server 200 determines whether a
user is a member of a group by using a group identifier of the user, such
that contents can be shared and provided by groups.

[0090] The exemplary embodiments may be embodied in a transitory or
non-transitory storage medium which includes instruction codes which are
executable by a computer or processor, such as a program module which is
executable by the computer or processor. A data structure according to
the exemplary embodiments may be stored in the storage medium and
executable by the computer or processor. A computer readable medium may
be any usable medium which can be accessed by the computer and includes
all volatile and/or non-volatile and removable and/or non-removable
media. Further, the computer readable medium may include any or all
computer storage and communication media. The computer storage medium may
include any or all volatile/non-volatile and removable/non-removable
media embodied by a certain method or technology for storing information
such as, for example, computer readable instruction code, a data
structure, a program module, or other data. The communication medium may
include the computer readable instruction code, the data structure, the
program module, or other data of a modulated data signal such as a
carrier wave, or other transmission mechanism, and includes information
transmission mediums.

[0091] The above description of the exemplary embodiments is provided for
the purpose of illustration, and it will be understood by those skilled
in the art that various changes and modifications may be made without
changing a technical conception and/or any essential features of the
exemplary embodiments. Thus, the above-described exemplary embodiments
are illustrative in all aspects, and do not limit the present disclosure.
For example, each component described to be of a single type can be
implemented in a distributed manner. Likewise, components described to be
distributed can be implemented in a combined manner.

[0092] The scope of the present inventive concept is defined by the claims
and their equivalents rather than by the detailed description of the
exemplary embodiments. It shall be understood that all modifications and
exemplary embodiments conceived from the meaning and scope of the claims
and their equivalents are included in the scope of the present inventive
concept.